Mathematics-Quadratic Equations [NSTSE (National Science Talent Search Exam- Unified Council) Class 10]: Questions 10 - 19 of 118

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Question 10

Question MCQ▾

then becomes

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 11

Question MCQ▾

The difference of the roots of is

Choices

Choice (4)Response

a.

-7

b.

c.

5

d.

Question does not provide sufficient data or is vague

Edit

Question 12

Question MCQ▾

The number of roots satisfying the equation is/are

Choices

Choice (4)Response

a.

2

b.

3

c.

1

d.

Unlimited

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Question 13

Question MCQ▾

The roots of the equation will be reciprocal if

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 14

Question MCQ▾

The equation has

Choices

Choice (4)Response

a.

Infinitely many roots

b.

No roots

c.

One integral root

d.

Two real roots

Edit

Question 15

Question MCQ▾

The roots of are

Choices

Choice (4)Response

a.

4 and -7

b.

-4 and 7

c.

4 only

d.

-7 only

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Question 16

Question MCQ▾

In the equation the roots are equal when

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 17

Question MCQ▾

If , then the value of x is

Choices

Choice (4)Response

a.

4 or 5

b.

-4 or -5

c.

-3 or -15

d.

9 or -30

Edit

Question 18

Question MCQ▾

The roots of the equation are

Choices

Choice (4)Response

a.

Imaginary

b.

Real and equal

c.

Rational and equal

d.

Irrational and unequal

Edit

Question 19

Question MCQ▾

The equation has

Choices

Choice (4)Response

a.

Two imaginary roots

b.

One real and one imaginary root

c.

One real root

d.

No root

Edit